Echo Open Water Bocote Duck Call -Echo Wood Calls are handsomely designed with a polished brass band for beauty and strength. These are beautiful calls that produce a wide range of tones, from loud hail calls, to soft raspy quacks.Echo Open Water Wood Calls are great for longer distances when hunting on big lakes or open fields. Great for longer distances when hunting on big lakes or open fieldsOpen Water BocoteGenerates a ringing hail call that will attract ducks at several hundred yards